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Selected:LASR (Lightweight Approach for Software Reviews)Service Blueprinting5 WhysRoot Cause Analysis
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  UX Design Service Blueprinting |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 0.5-2 Tage | 15-30 min | 1-4 h |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 6-12 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Service Blueprint, Fail Points, Ownership Map | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | Service designOperationsJourneyBlueprint | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |